The Ford 6 cylinder engine has undergone a few transformations over the years and Aussiespeed have a range of Ford 6 performance parts for many generations of the Ford 6 cylinder engine from the early Falcon and Mustang engine through to the crossflow 6 cylinder Falcon and Cortina engine, the OHC 3.9 and 4.0L EA to AU falcon, the BA onwards DOHC 6 cylinder Ford engine and the USA & Canadian 240 and 300 Big Ford Six.